Analysis
- max time kernel
148s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/10/2026, 19:52
General
- Target jaffacakes118_Trojan-Dropper.Win32.Small.c.exe
- Size 36KB
- Sample261009-ylmlrabt7j
- SHA256 34b8ff6ae93140d23cd2c5471e71661c202a489fb3a47119d6224749eaf8de13
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Small.c.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Small.c.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\userv332.exe"C:\Windows\userv332.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
-
-
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\windows\security.vbs"2⤵
- Executes a VBScript file via the Windows Script Host.
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
security.vbs
userv332.exe
memory/2292-10-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2292-16-0x0000000000414000-0x0000000000415000-memory.dmp
memory/2292-18-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4916-0-0x0000000000400000-0x0000000000411000-memory.dmp
memory/4916-19-0x0000000000400000-0x0000000000411000-memory.dmp